There are a variety of instruments used in sleep studies to measure bodily activity during sleep and consequent sleep quality. Many of them use techniques that perhaps aren’t so easy to replicate on ...

Most of us know about “circadian rhythms” and the “sleep cycle.” We have a basic idea of REM, and know it’s not best to wake up during a “deep sleep.” But all of this was academic. It’s not like you ...

Earlier this month, Apple purchased its first company that develops health-related hardware, Beddit. Beddit makes an iPhone-connected Sleep Monitor that tracks a wide range of sleep-related metrics, ...

The Garmin Index Sleep Monitor is a niche but powerful accessory that solves a long-standing problem for dedicated Garmin users: how to get sleep data without wearing a bulky watch to bed. It works ...